VizieR

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VizieR

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J/AN/340/437/table8 Optical variability of blazars (Abrahamyan+, 2019)
Variable blazars (2121 rows)
  recno=885
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ColumnValue  Explain   (UCD)
_RAJ200010 12 24.0696 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-37 40 05.916 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195010 10 13.7657 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-37 25 14.322 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon271.2829989 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+15.2430939 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
885recno 885  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Name5BZQJ1012-3740  Source name (5BZQ, 5BZB, 5BZG or 5BZU JHHMM+DDMM) (meta.id;meta.main)
RAJ2000153.10029 deg (i) BZCAT v5 right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-37.66831 deg (i) BZCAT v5 declination (J2000) (pos.eq.dec;meta.main)
z 0.499   [0.006/6.9] Redshift from BZCAT v.5 (src.redshift)
Rmag  mag [0/24.4] R-band magnitude from BZCAT v.5 (phot.mag;em.opt.R)
RMag  mag [-28.3/-16] R-band absolute magnitude (phot.mag;em.opt.R)
Lum  10+38W [0.0008/66.3] Luminosity in 1045erg/s (phys.luminosity)
B1best15.90 mag [8.5/22.4] B1 Best magnitude (POSS1) (phot.mag;em.opt.B)
e_B1best 0.00 mag [0/1.3] B1 Best magnitude error (stat.error)
R1best15.94 mag [7.4/20.9] R1 Best magnitude (POSS1) (phot.mag;em.opt.R)
e_R1best 0.07 mag [0/1.1] R1 Best magnitude error (stat.error)
B2best16.46 mag [8.7/22.2] B2 Best magnitude (POSS2) (phot.mag;em.opt.B)
e_B2best 0.03 mag [0/1.5] B2 Best magnitude error (stat.error)
R2best15.94 mag [7.6/23.7] R2 Best magnitude (POSS2) (phot.mag;em.opt.R)
e_R2best 0.12 mag [0/1.3] R2 Best magnitude error (stat.error)
delB 0.45 mag [-6.1/5.6] ΔB value (=|BPOSS2-BPOSS1|-3σB) (phot.mag;arith.diff)
delR-0.53 mag [-6.3/7] ΔR value (=|RPOSS2-RPOSS1|-3σR) (phot.mag;arith.diff)
Br 1.94   [0/357] Br=|BPOSS2-BPOSS1|/σB (src.var.amplitude)
Rr 0.04   [0/563] Rr=|RPOSS2-RPOSS1|/σR (src.var.amplitude)
VardB1   [0/3] Variability category based on ΔB (Note 1)   (meta.code;src.var)
VardR0   [0/3] Variability category based on ΔR (Note 1)   (meta.code;src.var)
VarBr1   [0/3] Variability category based on Br (Note 1)   (meta.code;src.var)
VarRr0   [0/3] Variability category based on Rr (Note 1)   (meta.code;src.var)

USNOB1USNOB1  Display the USNO-B1.0 data (I/284) within 1" (meta.ref.url)
SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
  
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